Table 1 Summary of data preparation for the logistic regression of equation (1) with outcome y and covariates x and z
y | x | z | Comments |
|---|---|---|---|
1 | 1 | 0 | TDT, heterozygous parent, allele 2 transmitted |
0 | 1 | 0 | TDT, heterozygous parent, allele 1 transmitted |
1 | i/2 | 1 | Parent of case, i copies of allele 2 |
0 | i/2 | 1 | Control, i copies of allele 2 |